Home / 9,078.18-13,598.12-4,151.96

Finding the Fourth Proportional to 9,078.18, 13,598.12 and 4,151.96

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Solution

The fourth proportional to 9,078.18, 13,598.12 and 4,151.96 is: 6,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.18 : 13,598.12 = 4,151.96 : x
  2. Step 2: Convert to fraction form
    9,078.18/13,598.12 = 4,151.96/x
  3. Step 3: Cross multiply
    9,078.18x = 13,598.12 × 4,151.96
  4. Step 4: Simplify right side
    9,078.18x = 56,458,850.32
  5. Step 5: Solve for x
    x = 56,458,850.32/9,078.18
  6. Step 6: Final answer
    x = 6,219.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.